Method of forming an immersed dam foundation and a dam structure

Details Method of forming an immersed dam foundation and a dam structure Method of forming an immersed dam foundation and a dam structure

1988-07-26

1989-11-21

Taylor, Dennis L.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405107, 405114, E02B 702

Patent

active

048818488

ABSTRACT:
An immersed dam foundation and a dam structure are formed in a body of moving water by forming a plurality of spaced piers having temporary support posts thereon. A current deflector is secured to the upstream support posts and sheet piling walls are driven to form upstream and downstream walls between the piers forming a base therebetween. The base is covered with a tremie seal and the walls cut off so that a prefabricated dam structure can be floated to a location above the tremie seal and lowered onto anchor points on the adjacent piers and secured to the piers and tremie seal. An exposed face of a pier is protected from the currents by barriers that serve as a portion of the next upstream and downstream walls, with gravel covered by precast concrete pads. The access galleries of adjacent prefabricated dam structures are closely aligned and seals provided therebetween.

REFERENCES:
patent: 1628933 (1927-05-01), Troiel
patent: 3342033 (1967-09-01), Crouch et al.
patent: 3718002 (1973-02-01), Aubert
patent: 3720067 (1973-03-01), Aubert
patent: 3775983 (1973-12-01), Aubert
patent: 3938342 (1976-02-01), Aubert
patent: 4352592 (1982-10-01), Aubert
patent: 4704052 (1987-11-01), Aubert
"le nouveau barrage de denouval" dated Sep. 1980 by J. Aubert.

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